Finding the Fourth Proportional to 456,497.24, 684,746.14 and 172,110.56
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Solution
The fourth proportional to 456,497.24, 684,746.14 and 172,110.56 is: 258,165.95
Step by Step Solution
- Step 1: Write the proportion equation
456,497.24 : 684,746.14 = 172,110.56 : x - Step 2: Convert to fraction form
456,497.24/684,746.14 = 172,110.56/x - Step 3: Cross multiply
456,497.24x = 684,746.14 × 172,110.56 - Step 4: Simplify right side
456,497.24x = 117,852,041,613.24 - Step 5: Solve for x
x = 117,852,041,613.24/456,497.24 - Step 6: Final answer
x = 258,165.95
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.